MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to various PDF files hosted on different domains, indicative of a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or distributing further malware. The presence of multiple external URIs and a link farm heuristic points towards an attempt to manipulate search results or redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://pantanalmsnews.com.br/ckfinder/userfiles/files/47209554614.pdf In PDF document text
- http://showpalmedical.com/userfiles/bovulimapafatilajimotig.pdfIn PDF document text
- http://www.mariabeckmann.com/fotos/uploads/files/zebubiminibibi.pdfIn PDF document text
- https://gencerenerji.com/resimler/files/39155355162.pdfIn PDF document text
- http://newtrichur.com/userfiles/file/33984707567.pdfIn PDF document text
- http://abwlanham.com/uploads/files/miviwuzulupazaruzama.pdfIn PDF document text
- http://www.dogwoodagility.nl/ckfinder/userfiles/files/22912319595.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/962dadc4b5b7fb47a373fdcb0d570b38/zojodifaxovab.pdfIn PDF document text
- http://hstairan.com/FCKeditor/editor/filemanager/connectors/php/userfiles/file/rafazuwijenotufede.pdfIn PDF document text
- http://custom-mugs-factory.com/uploadfile/files/getopejukitaketozopok.pdfIn PDF document text
- https://efficimm.fr/userfiles/files/96069746004.pdfIn PDF document text
- http://mindennapi.hu/upload/file/dugoxikavibu.pdfIn PDF document text
- http://daehnfeldt.com/userfiles/file/4660760435.pdfIn PDF document text
- https://fibaquitaine.fr/cebatrama/userfiles/files/65792384569.pdfIn PDF document text
- https://brazilairporttransfers.com/ckfinder/userfiles/files/rufizuvusi.pdfIn PDF document text
- http://naturpix.ch/cmsimages/file/97990666687.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131dc1c93f52---60878263929.pdfIn PDF document text
- http://diysmart.net/userfiles/file/joxibirabitegizuganone.pdfIn PDF document text
- https://samsungklima.net/upload/ckfinder/files/farufonesiv.pdfIn PDF document text
- https://gjbuyerbroker.com/userfiles/file/vuworo.pdfIn PDF document text
- http://terezszilvia.com/images/uploaded/file/viritodutupekijidaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=dizziness+cure+at+homePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d8b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8B4 | 16756 bytes |
SHA-256: 69e630b109d44926074ad84167fe121b4fe208a43a0af43224ab87032754dd78 |
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font_01_sfnt_off0001040b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1040B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011c22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C22 | 10612 bytes |
SHA-256: e26743aec39cbb6d37c7c1091b469dcd0c4af60ba70026f3b0c2e4d6cc69a9db |
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